128748592

素因数分解:

$2^4\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1153}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 285619616

約数和(自身を除く): 156871024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 997, 1153, 1994, 2306, 3988, 4612, 6979, 7976, 8071, 9224, 13958, 15952, 16142, 18448, 27916, 32284, 55832, 64568, 111664, 129136, 1149541, 2299082, 4598164, 8046787, 9196328, 16093574, 18392656, 32187148, 64374296, 128748592]

約数ペア:

[(1, 128748592), (2, 64374296), (4, 32187148), (7, 18392656), (8, 16093574), (14, 9196328), (16, 8046787), (28, 4598164), (56, 2299082), (112, 1149541), (997, 129136), (1153, 111664), (1994, 64568), (2306, 55832), (3988, 32284), (4612, 27916), (6979, 18448), (7976, 16142), (8071, 15952), (9224, 13958)]